US Bridges

S.1-21.6 Local over Solomon River

Good

Ottawa County, Kansas · 1.6S of Bennington · Structure no. 000720793104366

Built
2007
18 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
360 ft
4 main spans
Daily traffic
100
2008 count
Owner
County
County Highway Agency

About this bridge

S.1-21.6 Local over Solomon River is a steel continuous stringer/multi-beam or girder carrying S.1-21.6 Local over Solomon River in Ottawa County, Kansas. It was built in 2007, so it is 18 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 150 by 2044. The structure is 360 ft (109.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS.1-21.6 Local
CrossesSolomon River
Location1.6S of Bennington
RouteCounty Highway 0
StateKansas
Coordinates39.00589, -97.59187
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.7 US tons
Inventory rating49.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length360 ft (109.7 m)
Longest span98 ft (29.9 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2008)
Projected traffic150 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$738,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.1-21.6 Local over Solomon River built?

It was built in 2007, making it 18 years old in 2025.

What condition is S.1-21.6 Local over Solomon River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does S.1-21.6 Local over Solomon River carry?

About 100 vehicles per day (2008 count).

How long is S.1-21.6 Local over Solomon River?

The structure is 360 ft (109.7 m) long with a longest span of 98 ft (29.9 m) and a deck 28 ft wide.

Who owns S.1-21.6 Local over Solomon River?

It is owned by the County Highway Agency.